<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!--console中没有打印生命周期-->
    <div id="app">
        <span id="num"> {{num}}</span>
        <button v-on:click="num++">赞</button>
        <span>{{name}}，有 {{num}} 个人点赞</span>
    </div>
    <script src="../node_modules/vue/dist/vue.js"></script>
    <script>
        new Vue({
            el: "#app",
            data: {
                name: "张三",
                num: 100
            },
            methods: {
                show() {
                    return this.name;
                },
                add() {
                    this.num++;
                }
            },
            beforeCreate() {
                    console.log("=============beforeCreate=============");
                    console.log("数据模型未加载：" + this.name, this.num);
                    console.log("方法未加载：" + this.show());
                    console.log("html模板未加载：" + document.getElementById("num"));
                },
                created() {
                    console.log("=============created=============");
                    console.log("数据模型未加载：" + this.name, this.num);
                    console.log("方法未加载：" + this.show());
                    console.log("html模板未加载：" + document.getElementById("num"));
                    console.log("html模板未渲染：" + document.getElementById("num").innerText);
                },
                beforeMount() {
                    console.log("=============beforeMount=============");
                    console.log("html模板未渲染：" + document.getElementById("num").innerText);
                },
                mounted() {
                    console.log("=============mounted=============");
                    console.log("html模板已渲染：" + document.getElementById("num").innerText);
                },
                //单击按钮”赞“会触发，可以查看
                beforeUpdate() {
                    console.log("=============beforeUpdate=============");
                    console.log("数据模型已更新" + this.num);                     
                    console.log("html模板未更新：" + document.getElementById("num").innerText);
                },
                //单击按钮”赞“会触发，可以查看
                updated() {
                    console.log("=============updated=============");
                    console.log("数据模型已更新" + this.num);                     
                    console.log("html模板已更新：" + document.getElementById("num").innerText);
                }
        });
    </script>
</body>

</html>